icp_ioctl.c revision 1.2 1 /* $NetBSD: icp_ioctl.c,v 1.2 2003/05/18 06:18:25 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 2003 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of Wasabi Systems, Inc.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /*
40 * Copyright (c) 2000-01 Intel Corporation
41 * All Rights Reserved
42 *
43 * Redistribution and use in source and binary forms, with or without
44 * modification, are permitted provided that the following conditions
45 * are met:
46 * 1. Redistributions of source code must retain the above copyright
47 * notice, this list of conditions, and the following disclaimer,
48 * without modification, immediately at the beginning of the file.
49 * 2. Redistributions in binary form must reproduce the above copyright
50 * notice, this list of conditions and the following disclaimer in the
51 * documentation and/or other materials provided with the distribution.
52 * 3. The name of the author may not be used to endorse or promote products
53 * derived from this software without specific prior written permission.
54 *
55 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
56 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
57 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
58 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
59 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
60 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
61 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
62 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
63 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
64 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
65 * SUCH DAMAGE.
66 */
67
68 /*
69 * icp_ioctl.c: Ioctl interface for the ICP-Vortex management tools.
70 *
71 * Based on ICP's FreeBSD "iir" driver ioctl interface, written by
72 * Achim Leubner <achim.leubner (at) intel.com>.
73 *
74 * This is intended to be ABI-compatile with the ioctl interface for
75 * other OSs.
76 */
77
78 #include <sys/cdefs.h>
79 __KERNEL_RCSID(0, "$NetBSD: icp_ioctl.c,v 1.2 2003/05/18 06:18:25 thorpej Exp $");
80
81 #include <sys/param.h>
82 #include <sys/systm.h>
83 #include <sys/kernel.h>
84 #include <sys/device.h>
85 #include <sys/proc.h>
86 #include <sys/conf.h>
87 #include <sys/ioctl.h>
88
89 #include <machine/bus.h>
90
91 #include <dev/ic/icpreg.h>
92 #include <dev/ic/icpvar.h>
93
94 /* These are simply the same as ICP's "iir" driver for FreeBSD. */
95 #define ICP_DRIVER_VERSION 1
96 #define ICP_DRIVER_SUBVERSION 3
97
98 static dev_type_open(icpopen);
99 static dev_type_ioctl(icpioctl);
100
101 const struct cdevsw icp_cdevsw = {
102 icpopen, nullclose, noread, nowrite, icpioctl,
103 nostop, notty, nopoll, nommap, nokqfilter,
104 };
105
106 extern struct cfdriver icp_cd;
107
108 static int
109 icpopen(dev_t dev, int flag, int mode, struct proc *p)
110 {
111
112 if (securelevel > 1)
113 return (EPERM);
114 if (device_lookup(&icp_cd, minor(dev)) == NULL)
115 return (ENXIO);
116
117 return (0);
118 }
119
120 static int
121 icpioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
122 {
123 int error = 0;
124
125 switch (cmd) {
126 case GDT_IOCTL_GENERAL:
127 {
128 struct icp_softc *icp;
129 gdt_ucmd_t *ucmd = (void *) data;
130
131 icp = device_lookup(&icp_cd, ucmd->io_node);
132 if (icp == NULL)
133 return (ENXIO);
134
135 error = icp_ucmd(icp, ucmd);
136 break;
137 }
138
139 case GDT_IOCTL_DRVERS:
140 *(int *) data =
141 (ICP_DRIVER_VERSION << 8) | ICP_DRIVER_SUBVERSION;
142 break;
143
144 case GDT_IOCTL_CTRTYPE:
145 {
146 struct icp_softc *icp;
147 gdt_ctrt_t *p = (void *) data;
148
149 icp = device_lookup(&icp_cd, p->io_node);
150 if (icp == NULL)
151 return (ENXIO);
152
153 /* XXX magic numbers */
154 p->oem_id = 0x8000;
155 p->type = 0xfd;
156 p->info = (icp->icp_pci_bus << 8) | (icp->icp_pci_device << 3);
157 p->ext_type = 0x6000 | icp->icp_pci_subdevice_id;
158 p->device_id = icp->icp_pci_device_id;
159 p->sub_device_id = icp->icp_pci_subdevice_id;
160 break;
161 }
162
163 case GDT_IOCTL_OSVERS:
164 {
165 gdt_osv_t *p = (void *) data;
166
167 p->oscode = 12;
168
169 /*
170 * __NetBSD_Version__ is encoded thusly:
171 *
172 * MMmmrrpp00
173 *
174 * M = major version
175 * m = minor version
176 * r = release ["",A-Z[A-Z] but numeric]
177 * p = patchlevel
178 *
179 * Since the ABI is not supposed to change between
180 * patchlevels of the same major/minor version, we
181 * will encode major/minor/release into the returned
182 * data.
183 */
184
185 p->version = __NetBSD_Version__ / 100000000;
186 p->subversion = (__NetBSD_Version__ / 1000000) % 100;
187 p->revision = (__NetBSD_Version__ / 10000) % 100;
188
189 strcpy(p->name, ostype);
190 break;
191 }
192
193 case GDT_IOCTL_CTRCNT:
194 *(int *) data = icp_count;
195 break;
196
197 case GDT_IOCTL_EVENT:
198 {
199 struct icp_softc *icp;
200 gdt_event_t *p = (void *) data;
201 gdt_evt_str *e = &p->dvr;
202 int s;
203
204 icp = device_lookup(&icp_cd, minor(dev));
205
206 switch (p->erase) {
207 case 0xff:
208 switch (p->dvr.event_source) {
209 case GDT_ES_TEST:
210 e->event_data.size =
211 sizeof(e->event_data.eu.test);
212 break;
213
214 case GDT_ES_DRIVER:
215 e->event_data.size =
216 sizeof(e->event_data.eu.driver);
217 break;
218
219 case GDT_ES_SYNC:
220 e->event_data.size =
221 sizeof(e->event_data.eu.sync);
222 break;
223
224 default:
225 e->event_data.size =
226 sizeof(e->event_data.eu.async);
227 break;
228 }
229 s = splbio();
230 icp_store_event(icp, e->event_source, e->event_idx,
231 &e->event_data);
232 splx(s);
233 break;
234
235 case 0xfe:
236 s = splbio();
237 icp_clear_events(icp);
238 splx(s);
239 break;
240
241 case 0:
242 p->handle = icp_read_event(icp, p->handle, e);
243 break;
244
245 default:
246 icp_readapp_event(icp, (u_int8_t) p->erase, e);
247 break;
248 }
249 break;
250 }
251
252 case GDT_IOCTL_STATIST:
253 memcpy(&icp_stats, data, sizeof(gdt_statist_t));
254 break;
255
256 default:
257 return (ENOTTY);
258 }
259
260 return (error);
261 }
262